CSI215_CH01 - Systems Analysis and Design in a Changing...

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1 Systems Analysis and Design in a Changing World, Fifth Edition
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1 Learning Objectives Explain the key role of a systems analyst in business Describe the various types of systems an analyst might work on Explain the importance of technical, people, and business skills for an analyst Explain why ethical behavior is crucial for a systems analyst’s career Systems Analysis and Design in a Changing World, 5th Edition 2
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1 Learning Objectives (continued) L Describe various job titles in the field and places of employment where analysis and design work is done Discuss the analyst’s role in strategic planning for an organization Describe the analyst’s role in a system development project Systems Analysis and Design in a Changing World, 5th Edition 3
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1 Overview Information systems are Crucial to success of modern business organizations Constantly being developed to make business more competitive Impact productivity and profits Keys to successful system development Thorough systems analysis and design Understanding what business requires Systems Analysis and Design in a Changing World, 5th Edition 4
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1 Overview (continued) O Systems analysis – process of understanding in detail what a system should accomplish Systems design – process of specifying in detail how components of an information system should be physically implemented Systems analyst – uses analysis and design techniques to solve business problems using information technology Systems Analysis and Design in a Changing World, 5th Edition 5
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1 The Analyst as a Business Problem Solver Has computer technology knowledge and programming expertise Understands business problems Uses logical methods for solving problems Has fundamental curiosity Wants to make things better Is more of a business problem solver than a technical programmer Systems Analysis and Design in a Changing World, 5th Edition 6
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1 Analyst’s Approach to Problem Solving Systems Analysis and Design in a Changing World, 5th Edition 7 Verify benefits of solving problem outweigh the costs Research and understand the problem Define the requirements for solving the problem Develop a set of possible solutions (alternatives) D Define the details of the chosen solution Monitor to ensure desired results Decide which solution is best and recommend Implement the solution
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1 Systems That Solve Business Problems System – a collection of interrelated components functioning together to achieve an outcome Information systems – collection of interrelated components that collect, process, store, and provide as output the information needed to complete business tasks Subsystem – part of a larger system Functional decomposition – dividing a system into smaller subsystems and components Systems Analysis and Design in a Changing World, 5th Edition 8
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1 Information Systems and Subsystems Figure 1-2 Systems Analysis and Design in a Changing World, 5th Edition 9
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This note was uploaded on 04/26/2010 for the course CSI 215 taught by Professor Crunch during the Spring '10 term at Akdeniz Üniversitesi.

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CSI215_CH01 - Systems Analysis and Design in a Changing...

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